TREA

Crispin D. BOLGAR

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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotor assembly
    • Patent number 11,834,958
    • Issue date Dec 5, 2023
    • Rolls-Royce plc
    • Crispin D. Bolgar
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane joint
    • Patent number 11,828,198
    • Issue date Nov 28, 2023
    • Rolls-Royce PLC
    • Crispin Bolgar
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Casing assembly for gas turbine engine
    • Patent number 11,753,966
    • Issue date Sep 12, 2023
    • Rolls-Royce PLC
    • Crispin D. Bolgar
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Compressor
    • Patent number 10,451,083
    • Issue date Oct 22, 2019
    • Rolls-Royce PLC
    • Johnathan H. Wilshaw
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas turbine engine bearing chamber seals
    • Patent number 10,138,812
    • Issue date Nov 27, 2018
    • Rolls-Royce PLC
    • Peter Ellison Heaton
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Pressure controlled chamber
    • Patent number 9,625,101
    • Issue date Apr 18, 2017
    • Rolls-Royce PLC
    • Crispin D Bolgar
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Gas turbine engine havinga rotatable off-take passage in a compress...
    • Patent number 9,103,281
    • Issue date Aug 11, 2015
    • Rolls-Royce PLC
    • Jonathan M King
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas turbine engine with turbine cooling arrangement
    • Patent number 8,973,371
    • Issue date Mar 10, 2015
    • Rolls-Royce PLC
    • Jonathan M King
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Splined couplings
    • Patent number 8,864,406
    • Issue date Oct 21, 2014
    • Rolls-Royce PLC
    • Crispin D. Bolgar
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Casing component
    • Patent number 8,727,709
    • Issue date May 20, 2014
    • Rolls-Royce PLC
    • Crispin D. Bolgar
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Ducted fan gas turbine assembly
    • Patent number 8,677,733
    • Issue date Mar 25, 2014
    • Rolls-Royce, PLC.
    • Peter K. Beardsley
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Multi-rotational crankshaft arrangement
    • Patent number 8,052,373
    • Issue date Nov 8, 2011
    • Rolls-Royce PLC
    • Crispin D. Bolgar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Seal arrangement
    • Patent number 7,448,851
    • Issue date Nov 11, 2008
    • Rolls-Royce PLC
    • Crispin D. Bolgar
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

  • Information Patent Application

    CASING ASSEMBLY FOR GAS TURBINE ENGINE
    • Publication number 20230272724
    • Publication date Aug 31, 2023
    • Rolls-Royce plc
    • Crispin D BOLGAR
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VANE JOINT
    • Publication number 20220403749
    • Publication date Dec 22, 2022
    • Rolls-Royce plc
    • Crispin BOLGAR
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTOR ASSEMBLY
    • Publication number 20210246789
    • Publication date Aug 12, 2021
    • Rolls-Royce plc
    • Crispin D BOLGAR
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    GAS TURBINE ENGINE SPOOL
    • Publication number 20190390605
    • Publication date Dec 26, 2019
    • Rolls-Royce plc
    • Crispin D BOLGAR
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    COMPRESSOR
    • Publication number 20170108006
    • Publication date Apr 20, 2017
    • Rolls-Royce plc
    • Johnathan H. WILSHAW
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PRESSURE CONTROLLED CHAMBER
    • Publication number 20160018058
    • Publication date Jan 21, 2016
    • Rolls-Royce plc
    • Crispin D. BOLGAR
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Application

    GAS TURBINE ENGINE BEARING CHAMBER SEALS
    • Publication number 20130177406
    • Publication date Jul 11, 2013
    • Rolls-Royce plc
    • Peter Ellison HEATON
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    DUCTED FAN GAS TURBINE ASSEMBLY
    • Publication number 20130025259
    • Publication date Jan 31, 2013
    • Rolls-Royce plc
    • Peter K. BEARDSLEY
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    GAS TURBINE ENGINE
    • Publication number 20120060506
    • Publication date Mar 15, 2012
    • Rolls-Royce plc
    • Jonathan M. KING
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Application

    GAS TURBINE ENGINE
    • Publication number 20120060507
    • Publication date Mar 15, 2012
    • Rolls-Royce plc
    • Jonathan M. KING
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    CASING COMPONENT
    • Publication number 20110076137
    • Publication date Mar 31, 2011
    • Rolls-Royce plc
    • Crispin D. BOLGAR
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Splined couplings
    • Publication number 20100087263
    • Publication date Apr 8, 2010
    • Rolls-Royce plc
    • Crispin D. BOLGAR
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Multi-rotational crankshaft arrangement
    • Publication number 20090318238
    • Publication date Dec 24, 2009
    • Rolls-Royce plc
    • Crispin D. Bolgar
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Seal arrangement
    • Publication number 20070065286
    • Publication date Mar 22, 2007
    • Crispin D. Bolgar
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES